* {
    margin: 0;
    padding: 0;
}
li {
    list-style-type: none
}
.banner {
    width: 100%;
    height: 200px;
    background-color: #EEEEEE;
    display: inline-block;
    overflow: hidden;
}
.banner h1 {
    font-size: 60px;
    margin-top: 40px;
    margin-left: 20px;
}
.banner h3 {
    font-size: 20px;
    margin-top: 20px;
    color: #6a6a6a;
    margin-left: 20px;
}
.classes, .pag {
    min-width: 1000px;
    margin: 0 auto;
    width: 90%;
    overflow: hidden;
}
.classes {
    /* float: left; */
}
.pag {
    clear: both
}
.cf:after {
    clear: both;
    visibility: hidden;
    height: 0;
    overflow: hidden;
    content: '';
}
.classes ul {
    margin-top: 20px;
    margin-bottom: 20px;
    width: 100%;
    float: left;
}
.classes li {
    float: left;
    width: 29%;
    text-align: left;
    margin-left: 2%;
    margin-top: 20px;
}
.classes li:hover {
    cursor: pointer;
    box-shadow: 10px 10px 20px black;
}
.classes .innerbox {
    width: 90%;
    margin: 20px auto;
}
.classes img {
    width: 100%;
}
.classes .titleDiv {
    font-size: 20px;
    margin-top: 10px;
}
.classes .title {
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
    max-width: 70%;
    display: inline-block;
}
.classes .note {
    font-size: 14px;
    vertical-align: text-top;
}
.classes .subTitle {
    font-size: 14px;
    margin-top: 10px;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}
.classes .short {
    color: #d64bd3
}
.classes .long {
    color: #d69840
}
